Home / 1,126,164-1,688,896.48-406,412.24

Finding the Fourth Proportional to 1,126,164, 1,688,896.48 and 406,412.24

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Solution

The fourth proportional to 1,126,164, 1,688,896.48 and 406,412.24 is: 609,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,164 : 1,688,896.48 = 406,412.24 : x
  2. Step 2: Convert to fraction form
    1,126,164/1,688,896.48 = 406,412.24/x
  3. Step 3: Cross multiply
    1,126,164x = 1,688,896.48 × 406,412.24
  4. Step 4: Simplify right side
    1,126,164x = 686,388,201,564.92
  5. Step 5: Solve for x
    x = 686,388,201,564.92/1,126,164
  6. Step 6: Final answer
    x = 609,492.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.